gitconfig: Add 'ref-next' and 'log-next' aliases

The 'ref-next' alias determines the *next* commit hash for the given
commit.

Credit:
* Referening the child of a commit
  https://stackoverflow.com/a/21032988
* Git alias with positional parameters
  https://stackoverflow.com/a/3326971

1 files changed, 4 insertions, 0 deletions

diff --git a/_gitconfig b/_gitconfig
index 06237b0..880b03d 100644
--- a/_gitconfig
+++ b/_gitconfig
@@ -38,6 +38,10 @@
     # Show space and tabs
     wsErrorHighlight = all
 
+[alias]
+    ref-next = !sh -c 'git log --ancestry-path --format=%H ${1:-HEAD}..master | tail -n 1' -
+    log-next = !git ref-next $1 | xargs git log
+
 # Large file storage
 [filter "lfs"]
     clean = git-lfs clean -- %f